public class Aircraft {
    int seating;
    int altitude;
    public Aircraft(int seating, int altitude){
        this.seating=seating;
        this.altitude=altitude;
        System.out.println("飞机飞行高度："+altitude+",座位数："+seating);
    }
    public String qidon(){
        return  "起飞";
    }
    public String shache(){
        return  "降落";
    }
}
